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Managing the grid and operating the market 24/7 to deliver the energy needed for the world's 8th largest economy
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A reliable and accessible power grid

The California Independent System Operator (ISO) maintains reliability on one of the largest and most modern power grids in the world, and operates a transparent, accessible wholesale energy market. The organization works diligently around the clock to meet the electricity needs of consumers, while increasing the amount of renewable energy to usher in the clean, green grid of the future.


Learn more about the California ISO

Our Business

The California ISO provides open and non-discriminatory access to the bulk of the state’s wholesale transmission grid, supported by a competitive energy market and comprehensive infrastructure planning efforts.

Our Leadership

We are led by an experienced Board of Governors and executive management team.

Our Commitment

Our mission, vision and core values provide the foundation for building the grid of the future.


The California ISO provides a great opportunity—and a great environment—for you to advance your career.


Find here the official news about the California ISO and our wholesale electricity market.

Publications and Financials

Access our corporate strategic plans, brochures, financials and reports.

Industry Insights

We provide unique insights into the wholesale energy market and the grid, the prospects for renewable energy, our industry outlook for the next five years and transmission planning for the next decade.​​​